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DBMS > AlaSQL vs. Firebolt vs. H2 vs. QuestDB vs. XTDB

System Properties Comparison AlaSQL vs. Firebolt vs. H2 vs. QuestDB vs. XTDB

Editorial information provided by DB-Engines
NameAlaSQL  Xexclude from comparisonFirebolt  Xexclude from comparisonH2  Xexclude from comparisonQuestDB  Xexclude from comparisonXTDB infoformerly named Crux  Xexclude from comparison
DescriptionJavaScript DBMS libraryHighly scalable cloud data warehouse and analytics product infoForked from ClickhouseFull-featured RDBMS with a small footprint, either embedded into a Java application or used as a database server.A high performance open source SQL database for time series dataA general purpose database with bitemporal SQL and Datalog and graph queries
Primary database modelDocument store
Relational DBMS
Relational DBMSRelational DBMSTime Series DBMSDocument store
Secondary database modelsSpatial DBMSRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.51
Rank#256  Overall
#40  Document stores
#118  Relational DBMS
Score1.73
Rank#140  Overall
#63  Relational DBMS
Score8.33
Rank#46  Overall
#30  Relational DBMS
Score2.70
Rank#105  Overall
#8  Time Series DBMS
Score0.18
Rank#332  Overall
#46  Document stores
Websitealasql.orgwww.firebolt.iowww.h2database.comquestdb.iogithub.com/­xtdb/­xtdb
www.xtdb.com
Technical documentationgithub.com/­AlaSQL/­alasqldocs.firebolt.iowww.h2database.com/­html/­main.htmlquestdb.io/­docswww.xtdb.com/­docs
DeveloperAndrey Gershun & Mathias R. WulffFirebolt Analytics Inc.Thomas MuellerQuestDB Technology IncJuxt Ltd.
Initial release20142020200520142019
Current release2.2.220, July 20231.19, September 2021
License infoCommercial or Open SourceOpen Source infoMIT-LicensecommercialOpen Source infodual-licence (Mozilla public license, Eclipse public license)Open Source infoApache 2.0Open Source infoMIT License
Cloud-based only infoOnly available as a cloud servicenoyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptJavaJava (Zero-GC), C++, RustClojure
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)hostedAll OS with a Java VMLinux
macOS
Windows
All OS with a Java 8 (and higher) VM
Linux
Data schemeschema-freeyesyesyes infoschema-free via InfluxDB Line Protocolschema-free
Typing infopredefined data types such as float or datenoyesyesyesyes, extensible-data-notation format
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nononono
Secondary indexesnoyesyesnoyes
SQL infoSupport of SQLClose to SQL99, but no user access control, stored procedures and host language bindings.yesyesSQL with time-series extensionslimited SQL, making use of Apache Calcite
APIs and other access methodsJavaScript API.Net
ODBC
RESTful HTTP API
JDBC
ODBC
HTTP REST
InfluxDB Line Protocol (TCP/UDP)
JDBC
PostgreSQL wire protocol
HTTP REST
JDBC
Supported programming languagesJavaScriptGo
JavaScript (Node.js)
Python
JavaC infoPostgreSQL driver
C++
Go
Java
JavaScript (Node.js)
Python
Rust infoover HTTP
Clojure
Java
Server-side scripts infoStored proceduresnonoJava Stored Procedures and User-Defined Functionsnono
Triggersyesnoyesnono
Partitioning methods infoMethods for storing different data on different nodesnonenonehorizontal partitioning (by timestamps)none
Replication methods infoMethods for redundantly storing data on multiple nodesnonedepending on storage layerWith clustering: 2 database servers on different computers operate on identical copies of a databaseSource-replica replication with eventual consistencyyes, each node contains all data
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayes infoonly for local storage and DOM-storageACIDACID for single-table writesACID
Concurrency infoSupport for concurrent manipulation of datayes, multi-version concurrency control (MVCC)yesyes
Durability infoSupport for making data persistentyes infoby using IndexedDB, SQL.JS or proprietary FileStorageyesyesyes, flexibel persistency by using storage technologies like Apache Kafka, RocksDB or LMDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes infothrough memory mapped files
User concepts infoAccess controlnofine grained access rights according to SQL-standard
More information provided by the system vendor
AlaSQLFireboltH2QuestDBXTDB infoformerly named Crux
Specific characteristicsRelational model with native time series support Column-based storage and time partitioned...
» more
Competitive advantagesHigh ingestion throughput: peak of 4M rows/sec (TSBS Benchmark) Code optimizations...
» more
Typical application scenariosFinancial tick data Industrial IoT Application Metrics Monitoring
» more
Key customersBanks & Hedge funds, Yahoo, OKX, Airbus, Aquis Exchange, Net App, Cloudera, Airtel,...
» more
Licensing and pricing modelsOpen source Apache 2.0 QuestDB Enterprise QuestDB Cloud
» more
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More resources
AlaSQLFireboltH2QuestDBXTDB infoformerly named Crux
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